10426785461 has 2 divisors, whose sum is σ = 10426785462. Its totient is φ = 10426785460.

The previous prime is 10426785379. The next prime is 10426785463. The reversal of 10426785461 is 16458762401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6309124900 + 4117660561 = 79430^2 + 64169^2 .

It is an emirp because it is prime and its reverse (16458762401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10426785461 is a prime.

It is a Sophie Germain prime.

Together with 10426785463, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10426785463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5213392730 + 5213392731.

It is an arithmetic number, because the mean of its divisors is an integer number (5213392731).

Almost surely, 2^10426785461 is an apocalyptic number.

It is an amenable number.

10426785461 is a deficient number, since it is larger than the sum of its proper divisors (1).

10426785461 is an equidigital number, since it uses as much as digits as its factorization.

10426785461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 10426785461 in words is "ten billion, four hundred twenty-six million, seven hundred eighty-five thousand, four hundred sixty-one".